[Mapserver-users] Problems with PerlMapscript 3.7 Syntax

[Joe Bussell]

Is it just me, or does this function renaming seem unnecesary?  I fully 
understand fixing up the internal code.  I do not accept that making 
function call naming changes from distinctly articulated names like 
"saveImage()" to its ambiguously named alternative "save()" is at all 
productive.

Could you explain to me the reason that this particular name was 
changed?  Can we agree on a stable interface and concentrate on the real 
buisiness of the day?

Cordially,

Joe Bussell
On Time Systems
www.trafficdodger.com


Sean Gillies wrote:
> Babak,
> 
> The function you're looking for is save(), not saveImage().
> 
> To find out what functions are current in MapScript, you need to
> look in the mapscript.i file.  The documentation is far behind
> development.
> 
> To find all symbols in a package, do something like what's
> illustrated on page 281 of Programming Perl, 2nd edition:
> 
> foreach $symname (sort keys %main::) {
>     ...
> }
> 
> Hope this helps,
> Sean
> 
> On Thursday, May 1, 2003, at 08:34  AM, Babak Toloue Tehrani wrote:
> 
>> Hello,
>>
>> I have still problems with perlmapscript 3.7. The demo below with the
>> syntax of perlmapscript 3.6 is working very fine on my system. shp2img
>> is also working for the mapfile below.
>>
>>> From the WIKI MigrationGuide I Take the syntax for saveImage():
>>
>>
>> $img->saveImage('test37.png');
>>
>> and get following output:
>>
>> Can't locate auto/mapscript/imageObj/saveImage.al in @INC (@INC
>> contains: /usr/lib/perl5/5.8.0/i586-linux-thread-multi
>> /usr/lib/perl5/5.8.0
>> /usr/lib/perl5/site_perl/5.8.0/i586-linux-thread-multi
>> /usr/lib/perl5/site_perl/5.8.0 /usr/lib/perl5/site_perl .) at test37.pl
>> line 7
>>
>> Then I looked for the string saveImage in the mapscript.pm module and
>> found the function msSaveImage who brings me following output:
>>
>> Usage: msSaveImage(map,img,filename); at test37.pl line 7.
>>
>> I tried: $map->msSaveImage($map,$img,'test37');
>>
>> and got same errormessage as before. Then I tried to set the set the
>> ImageType with:
>>
>> map->setImageType("png") or die('Unable to setImageType.');
>>
>> and see that it failed. Here the script and the mapfile:
>>
>> (Does someone now a tool to extract from a perl Module (mapscript.pm) a
>> list of all Classes/Objects, Members and Methods?)
>>
>> Thanks a lot,
>>
>> Babak
>>
>> ======================================================================= 
>> ===
>> #!/usr/bin/perl -w
>> use mapscript;
>> use strict;
>>
>> my $map = new mapscript::mapObj("data/demo37.map") or die('Unable to
>> OPEN mapfile.');
>> $map->setImageType("png") or die('Unable to setImageType.');
>> my $img = $map->draw() or die('Unable to DRAW mapfile.');
>> $map->msSaveImage($map,$img,'test37');
>> $img->free();
>> ----------------------------------------------------------------------- 
>> ---
>> NAME DEMO37
>> STATUS ON
>> SIZE 600 450
>> EXTENT 5.3 55.5 15.5 46.9
>> UNITS METERS
>> SHAPEPATH "data"
>> IMAGECOLOR 255 255 255
>>
>> OUTPUTFORMAT
>>   NAME png
>>   DRIVER "GD/PNG"
>>   MIMETYPE "image/png"
>>   IMAGEMODE PC256
>>   EXTENSION "png"
>> END
>>
>> LAYER
>>   NAME TESTLAYER
>>   TYPE POLYGON
>>   STATUS DEFAULT
>>   DATA lnd01dd.shp
>>   CLASS
>>       NAME TESTCLASS
>>       SYMBOL 0
>>       COLOR 195 195 195
>>       OUTLINECOLOR 102 102 102
>>   END
>> END
>> END
>>
>>
> -- 
> Sean Gillies
> sgillies at frii dot com
> http://www.frii.com/~sgillies
> 
> _______________________________________________
> Mapserver-users mailing list
> Mapserver-users@lists.gis.umn.edu
> http://lists.gis.umn.edu/mailman/listinfo/mapserver-users
> 


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